Study

Circles/Angles Review

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  • What is the diameter of a circle if it has a circumference of 11.16 inches ?
    3.55 in
  • Sarai puts up a playpen at the daycare. She uses 20.5 feet of panels to make the circle. What is the diameter and radius of the playpen?
    3.27 ft
  • Angle A is 54 degrees. Angle B is 6x. What is x if the angles are complementary angles?
    x = 6
  • What is the area of this Semicircle?
    100.48 units^2
  • Find the radius of a circle with an area of 379.94 square centimeters.
    11 cm
  • Find x.
    x = 30
  • Find the radius of a circle when given that the area is 153.86 square inches
    7 in
  • What is the circumference of circle with a radius of 5 meters?
    31.4 m
  • Find the radius of a circle with an area of 452.16 square inches.
    12 in
  • Find x. What is the measure of angle MNO?
    114
  • What is the circumference of a circle with a diameter of 14 centimeters?
    43.96 cm
  • The diameter of a circle is 4 cm. Give the area of the circle.
    12.56 cm^2
  • What is the area of a circle with a diameter equal to 6 inches?
    28.26 in^2
  • Find the Area.
    28.26 cm^2
  • Find x.
  • What are supplementary angles?
    Angles that combine to 180 degrees
  • What is the area of a circle that has a diameter of 15 inches?
    176.625 in^2
  • What are vertical angles?
    Opposite angles that are equivalent.
  • What is the area of this circle?
    113.04 cm^2
  • Find x.
    x = 16
  • The radius of a circle is 6 inches. Give the area of a circle
    113.04 in^2
  • What are complementary angles?
    Angles that combine to be 90 degrees.
  • What is the diameter and radius of a circle with a circumference of 296.73 inches?
    47.25 in